TV,her,comes,is,then,watching,but,she,friend连词成句

问题描述:

TV,her,comes,is,then,watching,but,she,friend连词成句
英语作业呀!!帮帮忙吧!!谢谢了!!

Her friend is watching TV but then she comes.
Her friend comes but she is watching TV then
she is watching TV then, but her friend comes.
不管怎么组合,这句的时态感觉都有点儿问题,个人以为过去时才比较合语境.was (watching TV) / came